We're .NET 6 now

Author: CodeCasterNL

.github/workflows/Publish-Package.yml

@@ -20,7 +20,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 5.0.x
+        dotnet-version: 6.0.x
 
     - name: Restore dependencies
       run: dotnet restore CodeCaster.WindowsServiceExtensions.sln